The average train between Grays and Watford takes 45 min and the fastest train takes 36 min. The train runs at least 3 times per hour from Grays to Watford. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run every 20 minutes between Grays and Watford. The earliest departure is at 5:29 AM in the morning, and the last departure from Grays is at 5:50 PM which arrives into Watford at 6:29 PM. All services require a transfer at London St Pancras Intl and take an average of 45 min. The schedules shown below are for the next available departures.

1h • 1 change

43 min • 1 change

46 min • 1 change

43 min • 1 change
Want to know about travelling from Grays to Watford? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct train from Grays to Watford. However, there are services departing from Grays station and arriving at Watford station via London St Pancras Intl. The journey, including transfers, takes approximately 45 min.
Grays to Watford train services, operated by Southeastern, depart from Ebbsfleet International station.
Grays to Watford train services, operated by Southeastern, arrive at Watford Junction station.
Book your Grays to Watford train tickets online with Southeastern, West Midlands Trains and Avanti West Coast.
The distance between Grays and Watford is 53.7 km. The road distance is 65 km.
You can take a train from Ebbsfleet International to Watford Junction via London St Pancras Intl and London Euston in around 53 min.